Home / 94,129.90-130,015.05-70,362.69

Finding the Fourth Proportional to 94,129.90, 130,015.05 and 70,362.69

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Solution

The fourth proportional to 94,129.90, 130,015.05 and 70,362.69 is: 97,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,129.90 : 130,015.05 = 70,362.69 : x
  2. Step 2: Convert to fraction form
    94,129.90/130,015.05 = 70,362.69/x
  3. Step 3: Cross multiply
    94,129.90x = 130,015.05 × 70,362.69
  4. Step 4: Simplify right side
    94,129.90x = 9,148,208,658.48
  5. Step 5: Solve for x
    x = 9,148,208,658.48/94,129.90
  6. Step 6: Final answer
    x = 97,187.06

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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.