Home / 72,430.72-99,952.50-40,601.68

Finding the Fourth Proportional to 72,430.72, 99,952.50 and 40,601.68

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Solution

The fourth proportional to 72,430.72, 99,952.50 and 40,601.68 is: 56,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430.72 : 99,952.50 = 40,601.68 : x
  2. Step 2: Convert to fraction form
    72,430.72/99,952.50 = 40,601.68/x
  3. Step 3: Cross multiply
    72,430.72x = 99,952.50 × 40,601.68
  4. Step 4: Simplify right side
    72,430.72x = 4,058,239,420.20
  5. Step 5: Solve for x
    x = 4,058,239,420.20/72,430.72
  6. Step 6: Final answer
    x = 56,029.26

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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.