Home / 70,688.18-97,550.39-38,422.95

Finding the Fourth Proportional to 70,688.18, 97,550.39 and 38,422.95

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Solution

The fourth proportional to 70,688.18, 97,550.39 and 38,422.95 is: 53,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.18 : 97,550.39 = 38,422.95 : x
  2. Step 2: Convert to fraction form
    70,688.18/97,550.39 = 38,422.95/x
  3. Step 3: Cross multiply
    70,688.18x = 97,550.39 × 38,422.95
  4. Step 4: Simplify right side
    70,688.18x = 3,748,173,757.45
  5. Step 5: Solve for x
    x = 3,748,173,757.45/70,688.18
  6. Step 6: Final answer
    x = 53,024.05

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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.