Home / 81,516.07-112,440.40-58,888.32

Finding the Fourth Proportional to 81,516.07, 112,440.40 and 58,888.32

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Solution

The fourth proportional to 81,516.07, 112,440.40 and 58,888.32 is: 81,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,516.07 : 112,440.40 = 58,888.32 : x
  2. Step 2: Convert to fraction form
    81,516.07/112,440.40 = 58,888.32/x
  3. Step 3: Cross multiply
    81,516.07x = 112,440.40 × 58,888.32
  4. Step 4: Simplify right side
    81,516.07x = 6,621,426,018.50
  5. Step 5: Solve for x
    x = 6,621,426,018.50/81,516.07
  6. Step 6: Final answer
    x = 81,228.47

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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.