Home / 97,715.20-146,572.80-58,316.80

Finding the Fourth Proportional to 97,715.20, 146,572.80 and 58,316.80

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Solution

The fourth proportional to 97,715.20, 146,572.80 and 58,316.80 is: 87,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.20 : 146,572.80 = 58,316.80 : x
  2. Step 2: Convert to fraction form
    97,715.20/146,572.80 = 58,316.80/x
  3. Step 3: Cross multiply
    97,715.20x = 146,572.80 × 58,316.80
  4. Step 4: Simplify right side
    97,715.20x = 8,547,656,663.04
  5. Step 5: Solve for x
    x = 8,547,656,663.04/97,715.20
  6. Step 6: Final answer
    x = 87,475.20

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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.