Home / 92,880.07-128,213.73-62,706.26

Finding the Fourth Proportional to 92,880.07, 128,213.73 and 62,706.26

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Solution

The fourth proportional to 92,880.07, 128,213.73 and 62,706.26 is: 86,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.07 : 128,213.73 = 62,706.26 : x
  2. Step 2: Convert to fraction form
    92,880.07/128,213.73 = 62,706.26/x
  3. Step 3: Cross multiply
    92,880.07x = 128,213.73 × 62,706.26
  4. Step 4: Simplify right side
    92,880.07x = 8,039,803,488.95
  5. Step 5: Solve for x
    x = 8,039,803,488.95/92,880.07
  6. Step 6: Final answer
    x = 86,561.13

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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.