Home / 105,332.67-145,329.80-62,875.71

Finding the Fourth Proportional to 105,332.67, 145,329.80 and 62,875.71

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Solution

The fourth proportional to 105,332.67, 145,329.80 and 62,875.71 is: 86,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,332.67 : 145,329.80 = 62,875.71 : x
  2. Step 2: Convert to fraction form
    105,332.67/145,329.80 = 62,875.71/x
  3. Step 3: Cross multiply
    105,332.67x = 145,329.80 × 62,875.71
  4. Step 4: Simplify right side
    105,332.67x = 9,137,714,044.78
  5. Step 5: Solve for x
    x = 9,137,714,044.78/105,332.67
  6. Step 6: Final answer
    x = 86,751.00

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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.