Home / 96,210.72-144,082.80-66,545.28

Finding the Fourth Proportional to 96,210.72, 144,082.80 and 66,545.28

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Solution

The fourth proportional to 96,210.72, 144,082.80 and 66,545.28 is: 99,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,210.72 : 144,082.80 = 66,545.28 : x
  2. Step 2: Convert to fraction form
    96,210.72/144,082.80 = 66,545.28/x
  3. Step 3: Cross multiply
    96,210.72x = 144,082.80 × 66,545.28
  4. Step 4: Simplify right side
    96,210.72x = 9,588,030,269.18
  5. Step 5: Solve for x
    x = 9,588,030,269.18/96,210.72
  6. Step 6: Final answer
    x = 99,656.57

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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.