Home / 112,075.88-154,663.70-61,088.60

Finding the Fourth Proportional to 112,075.88, 154,663.70 and 61,088.60

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Solution

The fourth proportional to 112,075.88, 154,663.70 and 61,088.60 is: 84,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.88 : 154,663.70 = 61,088.60 : x
  2. Step 2: Convert to fraction form
    112,075.88/154,663.70 = 61,088.60/x
  3. Step 3: Cross multiply
    112,075.88x = 154,663.70 × 61,088.60
  4. Step 4: Simplify right side
    112,075.88x = 9,448,188,903.82
  5. Step 5: Solve for x
    x = 9,448,188,903.82/112,075.88
  6. Step 6: Final answer
    x = 84,301.72

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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.