Home / 72,814.59-100,432.37-48,603.35

Finding the Fourth Proportional to 72,814.59, 100,432.37 and 48,603.35

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Solution

The fourth proportional to 72,814.59, 100,432.37 and 48,603.35 is: 67,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,814.59 : 100,432.37 = 48,603.35 : x
  2. Step 2: Convert to fraction form
    72,814.59/100,432.37 = 48,603.35/x
  3. Step 3: Cross multiply
    72,814.59x = 100,432.37 × 48,603.35
  4. Step 4: Simplify right side
    72,814.59x = 4,881,349,067.52
  5. Step 5: Solve for x
    x = 4,881,349,067.52/72,814.59
  6. Step 6: Final answer
    x = 67,038.06

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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.