Home / 65,307.45-90,055.85-48,347.27

Finding the Fourth Proportional to 65,307.45, 90,055.85 and 48,347.27

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Solution

The fourth proportional to 65,307.45, 90,055.85 and 48,347.27 is: 66,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,307.45 : 90,055.85 = 48,347.27 : x
  2. Step 2: Convert to fraction form
    65,307.45/90,055.85 = 48,347.27/x
  3. Step 3: Cross multiply
    65,307.45x = 90,055.85 × 48,347.27
  4. Step 4: Simplify right side
    65,307.45x = 4,353,953,803.01
  5. Step 5: Solve for x
    x = 4,353,953,803.01/65,307.45
  6. Step 6: Final answer
    x = 66,668.56

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1.5x scale

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.