Home / 77,030.98-115,507.59-37,528.90

Finding the Fourth Proportional to 77,030.98, 115,507.59 and 37,528.90

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Solution

The fourth proportional to 77,030.98, 115,507.59 and 37,528.90 is: 56,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.98 : 115,507.59 = 37,528.90 : x
  2. Step 2: Convert to fraction form
    77,030.98/115,507.59 = 37,528.90/x
  3. Step 3: Cross multiply
    77,030.98x = 115,507.59 × 37,528.90
  4. Step 4: Simplify right side
    77,030.98x = 4,334,872,794.35
  5. Step 5: Solve for x
    x = 4,334,872,794.35/77,030.98
  6. Step 6: Final answer
    x = 56,274.41

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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.