Home / 77,360.10-116,526.36-70,384.92

Finding the Fourth Proportional to 77,360.10, 116,526.36 and 70,384.92

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Solution

The fourth proportional to 77,360.10, 116,526.36 and 70,384.92 is: 106,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360.10 : 116,526.36 = 70,384.92 : x
  2. Step 2: Convert to fraction form
    77,360.10/116,526.36 = 70,384.92/x
  3. Step 3: Cross multiply
    77,360.10x = 116,526.36 × 70,384.92
  4. Step 4: Simplify right side
    77,360.10x = 8,201,698,526.49
  5. Step 5: Solve for x
    x = 8,201,698,526.49/77,360.10
  6. Step 6: Final answer
    x = 106,019.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.