Home / 90,473.10-124,771.08-56,484.69

Finding the Fourth Proportional to 90,473.10, 124,771.08 and 56,484.69

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Solution

The fourth proportional to 90,473.10, 124,771.08 and 56,484.69 is: 77,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,473.10 : 124,771.08 = 56,484.69 : x
  2. Step 2: Convert to fraction form
    90,473.10/124,771.08 = 56,484.69/x
  3. Step 3: Cross multiply
    90,473.10x = 124,771.08 × 56,484.69
  4. Step 4: Simplify right side
    90,473.10x = 7,047,655,774.77
  5. Step 5: Solve for x
    x = 7,047,655,774.77/90,473.10
  6. Step 6: Final answer
    x = 77,897.80

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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.