Home / 109,066.16-163,686.73-56,490.68

Finding the Fourth Proportional to 109,066.16, 163,686.73 and 56,490.68

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Solution

The fourth proportional to 109,066.16, 163,686.73 and 56,490.68 is: 84,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.16 : 163,686.73 = 56,490.68 : x
  2. Step 2: Convert to fraction form
    109,066.16/163,686.73 = 56,490.68/x
  3. Step 3: Cross multiply
    109,066.16x = 163,686.73 × 56,490.68
  4. Step 4: Simplify right side
    109,066.16x = 9,246,774,134.23
  5. Step 5: Solve for x
    x = 9,246,774,134.23/109,066.16
  6. Step 6: Final answer
    x = 84,781.33

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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.