Home / 85,031.37-127,468.35-37,621.33

Finding the Fourth Proportional to 85,031.37, 127,468.35 and 37,621.33

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Solution

The fourth proportional to 85,031.37, 127,468.35 and 37,621.33 is: 56,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,031.37 : 127,468.35 = 37,621.33 : x
  2. Step 2: Convert to fraction form
    85,031.37/127,468.35 = 37,621.33/x
  3. Step 3: Cross multiply
    85,031.37x = 127,468.35 × 37,621.33
  4. Step 4: Simplify right side
    85,031.37x = 4,795,528,541.23
  5. Step 5: Solve for x
    x = 4,795,528,541.23/85,031.37
  6. Step 6: Final answer
    x = 56,397.17

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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.