Home / 62,798.11-86,639.95-38,916.07

Finding the Fourth Proportional to 62,798.11, 86,639.95 and 38,916.07

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Solution

The fourth proportional to 62,798.11, 86,639.95 and 38,916.07 is: 53,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,798.11 : 86,639.95 = 38,916.07 : x
  2. Step 2: Convert to fraction form
    62,798.11/86,639.95 = 38,916.07/x
  3. Step 3: Cross multiply
    62,798.11x = 86,639.95 × 38,916.07
  4. Step 4: Simplify right side
    62,798.11x = 3,371,686,239.69
  5. Step 5: Solve for x
    x = 3,371,686,239.69/62,798.11
  6. Step 6: Final answer
    x = 53,690.89

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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.