Home / 98,075.71-147,099.59-31,507.23

Finding the Fourth Proportional to 98,075.71, 147,099.59 and 31,507.23

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Solution

The fourth proportional to 98,075.71, 147,099.59 and 31,507.23 is: 47,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,075.71 : 147,099.59 = 31,507.23 : x
  2. Step 2: Convert to fraction form
    98,075.71/147,099.59 = 31,507.23/x
  3. Step 3: Cross multiply
    98,075.71x = 147,099.59 × 31,507.23
  4. Step 4: Simplify right side
    98,075.71x = 4,634,700,477.07
  5. Step 5: Solve for x
    x = 4,634,700,477.07/98,075.71
  6. Step 6: Final answer
    x = 47,256.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.