Home / 92,970.06-128,270.19-52,677.42

Finding the Fourth Proportional to 92,970.06, 128,270.19 and 52,677.42

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Solution

The fourth proportional to 92,970.06, 128,270.19 and 52,677.42 is: 72,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.06 : 128,270.19 = 52,677.42 : x
  2. Step 2: Convert to fraction form
    92,970.06/128,270.19 = 52,677.42/x
  3. Step 3: Cross multiply
    92,970.06x = 128,270.19 × 52,677.42
  4. Step 4: Simplify right side
    92,970.06x = 6,756,942,672.11
  5. Step 5: Solve for x
    x = 6,756,942,672.11/92,970.06
  6. Step 6: Final answer
    x = 72,678.70

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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.