Home / 94,830.40-130,806.16-60,803.12

Finding the Fourth Proportional to 94,830.40, 130,806.16 and 60,803.12

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Solution

The fourth proportional to 94,830.40, 130,806.16 and 60,803.12 is: 83,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,830.40 : 130,806.16 = 60,803.12 : x
  2. Step 2: Convert to fraction form
    94,830.40/130,806.16 = 60,803.12/x
  3. Step 3: Cross multiply
    94,830.40x = 130,806.16 × 60,803.12
  4. Step 4: Simplify right side
    94,830.40x = 7,953,422,643.22
  5. Step 5: Solve for x
    x = 7,953,422,643.22/94,830.40
  6. Step 6: Final answer
    x = 83,869.97

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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.