Home / 76,248.64-105,220.26-42,256.24

Finding the Fourth Proportional to 76,248.64, 105,220.26 and 42,256.24

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Solution

The fourth proportional to 76,248.64, 105,220.26 and 42,256.24 is: 58,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,248.64 : 105,220.26 = 42,256.24 : x
  2. Step 2: Convert to fraction form
    76,248.64/105,220.26 = 42,256.24/x
  3. Step 3: Cross multiply
    76,248.64x = 105,220.26 × 42,256.24
  4. Step 4: Simplify right side
    76,248.64x = 4,446,212,559.42
  5. Step 5: Solve for x
    x = 4,446,212,559.42/76,248.64
  6. Step 6: Final answer
    x = 58,312.02

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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.