Home / 74,426.76-102,638.55-48,888.06

Finding the Fourth Proportional to 74,426.76, 102,638.55 and 48,888.06

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Solution

The fourth proportional to 74,426.76, 102,638.55 and 48,888.06 is: 67,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.76 : 102,638.55 = 48,888.06 : x
  2. Step 2: Convert to fraction form
    74,426.76/102,638.55 = 48,888.06/x
  3. Step 3: Cross multiply
    74,426.76x = 102,638.55 × 48,888.06
  4. Step 4: Simplify right side
    74,426.76x = 5,017,799,590.71
  5. Step 5: Solve for x
    x = 5,017,799,590.71/74,426.76
  6. Step 6: Final answer
    x = 67,419.29

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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.