Home / 85,739.46-118,319.18-47,498.93

Finding the Fourth Proportional to 85,739.46, 118,319.18 and 47,498.93

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Solution

The fourth proportional to 85,739.46, 118,319.18 and 47,498.93 is: 65,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,739.46 : 118,319.18 = 47,498.93 : x
  2. Step 2: Convert to fraction form
    85,739.46/118,319.18 = 47,498.93/x
  3. Step 3: Cross multiply
    85,739.46x = 118,319.18 × 47,498.93
  4. Step 4: Simplify right side
    85,739.46x = 5,620,034,448.48
  5. Step 5: Solve for x
    x = 5,620,034,448.48/85,739.46
  6. Step 6: Final answer
    x = 65,547.82

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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.