Home / 99,386.53-137,157.02-56,953.27

Finding the Fourth Proportional to 99,386.53, 137,157.02 and 56,953.27

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Solution

The fourth proportional to 99,386.53, 137,157.02 and 56,953.27 is: 78,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,386.53 : 137,157.02 = 56,953.27 : x
  2. Step 2: Convert to fraction form
    99,386.53/137,157.02 = 56,953.27/x
  3. Step 3: Cross multiply
    99,386.53x = 137,157.02 × 56,953.27
  4. Step 4: Simplify right side
    99,386.53x = 7,811,540,792.46
  5. Step 5: Solve for x
    x = 7,811,540,792.46/99,386.53
  6. Step 6: Final answer
    x = 78,597.58

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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.