Home / 48,278.60-72,417.90-44,779.40

Finding the Fourth Proportional to 48,278.60, 72,417.90 and 44,779.40

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Solution

The fourth proportional to 48,278.60, 72,417.90 and 44,779.40 is: 67,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.60 : 72,417.90 = 44,779.40 : x
  2. Step 2: Convert to fraction form
    48,278.60/72,417.90 = 44,779.40/x
  3. Step 3: Cross multiply
    48,278.60x = 72,417.90 × 44,779.40
  4. Step 4: Simplify right side
    48,278.60x = 3,242,830,111.26
  5. Step 5: Solve for x
    x = 3,242,830,111.26/48,278.60
  6. Step 6: Final answer
    x = 67,169.10

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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.