Home / 85,897.16-118,534.08-47,656.30

Finding the Fourth Proportional to 85,897.16, 118,534.08 and 47,656.30

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Solution

The fourth proportional to 85,897.16, 118,534.08 and 47,656.30 is: 65,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,897.16 : 118,534.08 = 47,656.30 : x
  2. Step 2: Convert to fraction form
    85,897.16/118,534.08 = 47,656.30/x
  3. Step 3: Cross multiply
    85,897.16x = 118,534.08 × 47,656.30
  4. Step 4: Simplify right side
    85,897.16x = 5,648,895,261.23
  5. Step 5: Solve for x
    x = 5,648,895,261.23/85,897.16
  6. Step 6: Final answer
    x = 65,763.47

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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.