Home / 88,729.23-122,460.41-56,430.18

Finding the Fourth Proportional to 88,729.23, 122,460.41 and 56,430.18

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Solution

The fourth proportional to 88,729.23, 122,460.41 and 56,430.18 is: 77,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.23 : 122,460.41 = 56,430.18 : x
  2. Step 2: Convert to fraction form
    88,729.23/122,460.41 = 56,430.18/x
  3. Step 3: Cross multiply
    88,729.23x = 122,460.41 × 56,430.18
  4. Step 4: Simplify right side
    88,729.23x = 6,910,462,697.02
  5. Step 5: Solve for x
    x = 6,910,462,697.02/88,729.23
  6. Step 6: Final answer
    x = 77,882.60

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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.