Home / 104,688.42-144,456.90-70,770.71

Finding the Fourth Proportional to 104,688.42, 144,456.90 and 70,770.71

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Solution

The fourth proportional to 104,688.42, 144,456.90 and 70,770.71 is: 97,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.42 : 144,456.90 = 70,770.71 : x
  2. Step 2: Convert to fraction form
    104,688.42/144,456.90 = 70,770.71/x
  3. Step 3: Cross multiply
    104,688.42x = 144,456.90 × 70,770.71
  4. Step 4: Simplify right side
    104,688.42x = 10,223,316,655.11
  5. Step 5: Solve for x
    x = 10,223,316,655.11/104,688.42
  6. Step 6: Final answer
    x = 97,654.70

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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.