Home / 112,973.38-155,916.57-62,675.62

Finding the Fourth Proportional to 112,973.38, 155,916.57 and 62,675.62

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Solution

The fourth proportional to 112,973.38, 155,916.57 and 62,675.62 is: 86,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.38 : 155,916.57 = 62,675.62 : x
  2. Step 2: Convert to fraction form
    112,973.38/155,916.57 = 62,675.62/x
  3. Step 3: Cross multiply
    112,973.38x = 155,916.57 × 62,675.62
  4. Step 4: Simplify right side
    112,973.38x = 9,772,167,693.02
  5. Step 5: Solve for x
    x = 9,772,167,693.02/112,973.38
  6. Step 6: Final answer
    x = 86,499.74

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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.