Home / 86,501.96-119,298.14-56,276.24

Finding the Fourth Proportional to 86,501.96, 119,298.14 and 56,276.24

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Solution

The fourth proportional to 86,501.96, 119,298.14 and 56,276.24 is: 77,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.96 : 119,298.14 = 56,276.24 : x
  2. Step 2: Convert to fraction form
    86,501.96/119,298.14 = 56,276.24/x
  3. Step 3: Cross multiply
    86,501.96x = 119,298.14 × 56,276.24
  4. Step 4: Simplify right side
    86,501.96x = 6,713,650,758.19
  5. Step 5: Solve for x
    x = 6,713,650,758.19/86,501.96
  6. Step 6: Final answer
    x = 77,612.70

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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.