Home / 72,534.04-100,096.80-40,703.08

Finding the Fourth Proportional to 72,534.04, 100,096.80 and 40,703.08

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Solution

The fourth proportional to 72,534.04, 100,096.80 and 40,703.08 is: 56,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534.04 : 100,096.80 = 40,703.08 : x
  2. Step 2: Convert to fraction form
    72,534.04/100,096.80 = 40,703.08/x
  3. Step 3: Cross multiply
    72,534.04x = 100,096.80 × 40,703.08
  4. Step 4: Simplify right side
    72,534.04x = 4,074,248,058.14
  5. Step 5: Solve for x
    x = 4,074,248,058.14/72,534.04
  6. Step 6: Final answer
    x = 56,170.15

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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.