Home / 70,663.16-97,510.57-40,448.72

Finding the Fourth Proportional to 70,663.16, 97,510.57 and 40,448.72

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Solution

The fourth proportional to 70,663.16, 97,510.57 and 40,448.72 is: 55,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,663.16 : 97,510.57 = 40,448.72 : x
  2. Step 2: Convert to fraction form
    70,663.16/97,510.57 = 40,448.72/x
  3. Step 3: Cross multiply
    70,663.16x = 97,510.57 × 40,448.72
  4. Step 4: Simplify right side
    70,663.16x = 3,944,177,154.30
  5. Step 5: Solve for x
    x = 3,944,177,154.30/70,663.16
  6. Step 6: Final answer
    x = 55,816.60

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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.