Home / 77,547.68-116,267.20-39,608.49

Finding the Fourth Proportional to 77,547.68, 116,267.20 and 39,608.49

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Solution

The fourth proportional to 77,547.68, 116,267.20 and 39,608.49 is: 59,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,547.68 : 116,267.20 = 39,608.49 : x
  2. Step 2: Convert to fraction form
    77,547.68/116,267.20 = 39,608.49/x
  3. Step 3: Cross multiply
    77,547.68x = 116,267.20 × 39,608.49
  4. Step 4: Simplify right side
    77,547.68x = 4,605,168,565.51
  5. Step 5: Solve for x
    x = 4,605,168,565.51/77,547.68
  6. Step 6: Final answer
    x = 59,385.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.