Home / 100,026.04-137,970.90-64,159.24

Finding the Fourth Proportional to 100,026.04, 137,970.90 and 64,159.24

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Solution

The fourth proportional to 100,026.04, 137,970.90 and 64,159.24 is: 88,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,026.04 : 137,970.90 = 64,159.24 : x
  2. Step 2: Convert to fraction form
    100,026.04/137,970.90 = 64,159.24/x
  3. Step 3: Cross multiply
    100,026.04x = 137,970.90 × 64,159.24
  4. Step 4: Simplify right side
    100,026.04x = 8,852,108,086.12
  5. Step 5: Solve for x
    x = 8,852,108,086.12/100,026.04
  6. Step 6: Final answer
    x = 88,498.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.