Home / 76,897.02-115,364.16-37,445.16

Finding the Fourth Proportional to 76,897.02, 115,364.16 and 37,445.16

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Solution

The fourth proportional to 76,897.02, 115,364.16 and 37,445.16 is: 56,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,897.02 : 115,364.16 = 37,445.16 : x
  2. Step 2: Convert to fraction form
    76,897.02/115,364.16 = 37,445.16/x
  3. Step 3: Cross multiply
    76,897.02x = 115,364.16 × 37,445.16
  4. Step 4: Simplify right side
    76,897.02x = 4,319,829,429.47
  5. Step 5: Solve for x
    x = 4,319,829,429.47/76,897.02
  6. Step 6: Final answer
    x = 56,176.81

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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.