Home / 97,340.88-145,566.48-70,776.12

Finding the Fourth Proportional to 97,340.88, 145,566.48 and 70,776.12

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Solution

The fourth proportional to 97,340.88, 145,566.48 and 70,776.12 is: 105,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,340.88 : 145,566.48 = 70,776.12 : x
  2. Step 2: Convert to fraction form
    97,340.88/145,566.48 = 70,776.12/x
  3. Step 3: Cross multiply
    97,340.88x = 145,566.48 × 70,776.12
  4. Step 4: Simplify right side
    97,340.88x = 10,302,630,656.46
  5. Step 5: Solve for x
    x = 10,302,630,656.46/97,340.88
  6. Step 6: Final answer
    x = 105,840.74

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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.