Home / 85,681.31-118,244.57-47,445.08

Finding the Fourth Proportional to 85,681.31, 118,244.57 and 47,445.08

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Solution

The fourth proportional to 85,681.31, 118,244.57 and 47,445.08 is: 65,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,681.31 : 118,244.57 = 47,445.08 : x
  2. Step 2: Convert to fraction form
    85,681.31/118,244.57 = 47,445.08/x
  3. Step 3: Cross multiply
    85,681.31x = 118,244.57 × 47,445.08
  4. Step 4: Simplify right side
    85,681.31x = 5,610,122,254.77
  5. Step 5: Solve for x
    x = 5,610,122,254.77/85,681.31
  6. Step 6: Final answer
    x = 65,476.62

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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.