Home / 83,602.08-115,369.32-47,303.14

Finding the Fourth Proportional to 83,602.08, 115,369.32 and 47,303.14

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Solution

The fourth proportional to 83,602.08, 115,369.32 and 47,303.14 is: 65,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,602.08 : 115,369.32 = 47,303.14 : x
  2. Step 2: Convert to fraction form
    83,602.08/115,369.32 = 47,303.14/x
  3. Step 3: Cross multiply
    83,602.08x = 115,369.32 × 47,303.14
  4. Step 4: Simplify right side
    83,602.08x = 5,457,331,095.66
  5. Step 5: Solve for x
    x = 5,457,331,095.66/83,602.08
  6. Step 6: Final answer
    x = 65,277.46

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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.