Home / 86,445.86-119,279.95-48,202.36

Finding the Fourth Proportional to 86,445.86, 119,279.95 and 48,202.36

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Solution

The fourth proportional to 86,445.86, 119,279.95 and 48,202.36 is: 66,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445.86 : 119,279.95 = 48,202.36 : x
  2. Step 2: Convert to fraction form
    86,445.86/119,279.95 = 48,202.36/x
  3. Step 3: Cross multiply
    86,445.86x = 119,279.95 × 48,202.36
  4. Step 4: Simplify right side
    86,445.86x = 5,749,574,671.98
  5. Step 5: Solve for x
    x = 5,749,574,671.98/86,445.86
  6. Step 6: Final answer
    x = 66,510.70

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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.