Home / 88,784.16-122,521.68-52,975.68

Finding the Fourth Proportional to 88,784.16, 122,521.68 and 52,975.68

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Solution

The fourth proportional to 88,784.16, 122,521.68 and 52,975.68 is: 73,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,784.16 : 122,521.68 = 52,975.68 : x
  2. Step 2: Convert to fraction form
    88,784.16/122,521.68 = 52,975.68/x
  3. Step 3: Cross multiply
    88,784.16x = 122,521.68 × 52,975.68
  4. Step 4: Simplify right side
    88,784.16x = 6,490,669,312.74
  5. Step 5: Solve for x
    x = 6,490,669,312.74/88,784.16
  6. Step 6: Final answer
    x = 73,106.16

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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.