Home / 85,738.93-118,318.45-47,498.40

Finding the Fourth Proportional to 85,738.93, 118,318.45 and 47,498.40

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Solution

The fourth proportional to 85,738.93, 118,318.45 and 47,498.40 is: 65,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.93 : 118,318.45 = 47,498.40 : x
  2. Step 2: Convert to fraction form
    85,738.93/118,318.45 = 47,498.40/x
  3. Step 3: Cross multiply
    85,738.93x = 118,318.45 × 47,498.40
  4. Step 4: Simplify right side
    85,738.93x = 5,619,937,390.43
  5. Step 5: Solve for x
    x = 5,619,937,390.43/85,738.93
  6. Step 6: Final answer
    x = 65,547.09

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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.