Home / 99,700.02-137,582.67-59,392.91

Finding the Fourth Proportional to 99,700.02, 137,582.67 and 59,392.91

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Solution

The fourth proportional to 99,700.02, 137,582.67 and 59,392.91 is: 81,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,700.02 : 137,582.67 = 59,392.91 : x
  2. Step 2: Convert to fraction form
    99,700.02/137,582.67 = 59,392.91/x
  3. Step 3: Cross multiply
    99,700.02x = 137,582.67 × 59,392.91
  4. Step 4: Simplify right side
    99,700.02x = 8,171,434,448.96
  5. Step 5: Solve for x
    x = 8,171,434,448.96/99,700.02
  6. Step 6: Final answer
    x = 81,960.21

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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.