Home / 85,830.90-118,448.07-47,592.06

Finding the Fourth Proportional to 85,830.90, 118,448.07 and 47,592.06

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Solution

The fourth proportional to 85,830.90, 118,448.07 and 47,592.06 is: 65,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,830.90 : 118,448.07 = 47,592.06 : x
  2. Step 2: Convert to fraction form
    85,830.90/118,448.07 = 47,592.06/x
  3. Step 3: Cross multiply
    85,830.90x = 118,448.07 × 47,592.06
  4. Step 4: Simplify right side
    85,830.90x = 5,637,187,416.36
  5. Step 5: Solve for x
    x = 5,637,187,416.36/85,830.90
  6. Step 6: Final answer
    x = 65,677.83

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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.