Home / 85,988.04-118,664.40-47,748.36

Finding the Fourth Proportional to 85,988.04, 118,664.40 and 47,748.36

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Solution

The fourth proportional to 85,988.04, 118,664.40 and 47,748.36 is: 65,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,988.04 : 118,664.40 = 47,748.36 : x
  2. Step 2: Convert to fraction form
    85,988.04/118,664.40 = 47,748.36/x
  3. Step 3: Cross multiply
    85,988.04x = 118,664.40 × 47,748.36
  4. Step 4: Simplify right side
    85,988.04x = 5,666,030,490.38
  5. Step 5: Solve for x
    x = 5,666,030,490.38/85,988.04
  6. Step 6: Final answer
    x = 65,893.24

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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.