Home / 76,549.32-105,637.08-42,558.48

Finding the Fourth Proportional to 76,549.32, 105,637.08 and 42,558.48

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Solution

The fourth proportional to 76,549.32, 105,637.08 and 42,558.48 is: 58,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,549.32 : 105,637.08 = 42,558.48 : x
  2. Step 2: Convert to fraction form
    76,549.32/105,637.08 = 42,558.48/x
  3. Step 3: Cross multiply
    76,549.32x = 105,637.08 × 42,558.48
  4. Step 4: Simplify right side
    76,549.32x = 4,495,753,556.44
  5. Step 5: Solve for x
    x = 4,495,753,556.44/76,549.32
  6. Step 6: Final answer
    x = 58,730.16

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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.