Home / 102,347.77-153,545.02-31,280.52

Finding the Fourth Proportional to 102,347.77, 153,545.02 and 31,280.52

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Solution

The fourth proportional to 102,347.77, 153,545.02 and 31,280.52 is: 46,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.77 : 153,545.02 = 31,280.52 : x
  2. Step 2: Convert to fraction form
    102,347.77/153,545.02 = 31,280.52/x
  3. Step 3: Cross multiply
    102,347.77x = 153,545.02 × 31,280.52
  4. Step 4: Simplify right side
    102,347.77x = 4,802,967,990.81
  5. Step 5: Solve for x
    x = 4,802,967,990.81/102,347.77
  6. Step 6: Final answer
    x = 46,927.92

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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.