Home / 65,860.01-90,897.04-43,264.45

Finding the Fourth Proportional to 65,860.01, 90,897.04 and 43,264.45

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Solution

The fourth proportional to 65,860.01, 90,897.04 and 43,264.45 is: 59,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.01 : 90,897.04 = 43,264.45 : x
  2. Step 2: Convert to fraction form
    65,860.01/90,897.04 = 43,264.45/x
  3. Step 3: Cross multiply
    65,860.01x = 90,897.04 × 43,264.45
  4. Step 4: Simplify right side
    65,860.01x = 3,932,610,442.23
  5. Step 5: Solve for x
    x = 3,932,610,442.23/65,860.01
  6. Step 6: Final answer
    x = 59,711.66

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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.