Home / 89,545.02-123,523.02-55,541.76

Finding the Fourth Proportional to 89,545.02, 123,523.02 and 55,541.76

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Solution

The fourth proportional to 89,545.02, 123,523.02 and 55,541.76 is: 76,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.02 : 123,523.02 = 55,541.76 : x
  2. Step 2: Convert to fraction form
    89,545.02/123,523.02 = 55,541.76/x
  3. Step 3: Cross multiply
    89,545.02x = 123,523.02 × 55,541.76
  4. Step 4: Simplify right side
    89,545.02x = 6,860,685,931.32
  5. Step 5: Solve for x
    x = 6,860,685,931.32/89,545.02
  6. Step 6: Final answer
    x = 76,617.17

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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.