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Finding the Fourth Proportional to 88,498.40, 132,901.20 and 47,026.40

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Solution

The fourth proportional to 88,498.40, 132,901.20 and 47,026.40 is: 70,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,498.40 : 132,901.20 = 47,026.40 : x
  2. Step 2: Convert to fraction form
    88,498.40/132,901.20 = 47,026.40/x
  3. Step 3: Cross multiply
    88,498.40x = 132,901.20 × 47,026.40
  4. Step 4: Simplify right side
    88,498.40x = 6,249,864,991.68
  5. Step 5: Solve for x
    x = 6,249,864,991.68/88,498.40
  6. Step 6: Final answer
    x = 70,621.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.