Home / 94,478.13-130,389-70,563.27

Finding the Fourth Proportional to 94,478.13, 130,389 and 70,563.27

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Solution

The fourth proportional to 94,478.13, 130,389 and 70,563.27 is: 97,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,478.13 : 130,389 = 70,563.27 : x
  2. Step 2: Convert to fraction form
    94,478.13/130,389 = 70,563.27/x
  3. Step 3: Cross multiply
    94,478.13x = 130,389 × 70,563.27
  4. Step 4: Simplify right side
    94,478.13x = 9,200,674,212.03
  5. Step 5: Solve for x
    x = 9,200,674,212.03/94,478.13
  6. Step 6: Final answer
    x = 97,384.17

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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.