Home / 83,005.48-114,547.62-45,281.80

Finding the Fourth Proportional to 83,005.48, 114,547.62 and 45,281.80

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Solution

The fourth proportional to 83,005.48, 114,547.62 and 45,281.80 is: 62,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.48 : 114,547.62 = 45,281.80 : x
  2. Step 2: Convert to fraction form
    83,005.48/114,547.62 = 45,281.80/x
  3. Step 3: Cross multiply
    83,005.48x = 114,547.62 × 45,281.80
  4. Step 4: Simplify right side
    83,005.48x = 5,186,922,419.32
  5. Step 5: Solve for x
    x = 5,186,922,419.32/83,005.48
  6. Step 6: Final answer
    x = 62,488.92

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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.