Home / 79,011.44-108,970.76-56,343.16

Finding the Fourth Proportional to 79,011.44, 108,970.76 and 56,343.16

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Solution

The fourth proportional to 79,011.44, 108,970.76 and 56,343.16 is: 77,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.44 : 108,970.76 = 56,343.16 : x
  2. Step 2: Convert to fraction form
    79,011.44/108,970.76 = 56,343.16/x
  3. Step 3: Cross multiply
    79,011.44x = 108,970.76 × 56,343.16
  4. Step 4: Simplify right side
    79,011.44x = 6,139,756,966.00
  5. Step 5: Solve for x
    x = 6,139,756,966.00/79,011.44
  6. Step 6: Final answer
    x = 77,707.19

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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.