Home / 98,856.30-136,421.02-53,533.25

Finding the Fourth Proportional to 98,856.30, 136,421.02 and 53,533.25

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Solution

The fourth proportional to 98,856.30, 136,421.02 and 53,533.25 is: 73,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.30 : 136,421.02 = 53,533.25 : x
  2. Step 2: Convert to fraction form
    98,856.30/136,421.02 = 53,533.25/x
  3. Step 3: Cross multiply
    98,856.30x = 136,421.02 × 53,533.25
  4. Step 4: Simplify right side
    98,856.30x = 7,303,060,465.31
  5. Step 5: Solve for x
    x = 7,303,060,465.31/98,856.30
  6. Step 6: Final answer
    x = 73,875.52

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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.