Home / 66,736.93-92,117.47-38,461.45

Finding the Fourth Proportional to 66,736.93, 92,117.47 and 38,461.45

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Solution

The fourth proportional to 66,736.93, 92,117.47 and 38,461.45 is: 53,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.93 : 92,117.47 = 38,461.45 : x
  2. Step 2: Convert to fraction form
    66,736.93/92,117.47 = 38,461.45/x
  3. Step 3: Cross multiply
    66,736.93x = 92,117.47 × 38,461.45
  4. Step 4: Simplify right side
    66,736.93x = 3,542,971,274.22
  5. Step 5: Solve for x
    x = 3,542,971,274.22/66,736.93
  6. Step 6: Final answer
    x = 53,088.62

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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.